Bug Report
The react-native-fbads library misuses the official FBNativeAdsManager.h API by calling a function from a background thread that expects to be called from the UI thread:

Note: It might also be that the FBNativeAdsManager.h library should dispatch to the UI thread for those invokations instead, but I don't know how to report bugs for that library!
Bug Report
The react-native-fbads library misuses the official FBNativeAdsManager.h API by calling a function from a background thread that expects to be called from the UI thread: